DIGITAL STORAGE

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DIGITAL STORAGE by Mind Map: DIGITAL STORAGE

1. DEFINITION OF STORAGE MEDIUM

1.1. The physical material on which a computer keeps data information,programs and application

2. EXAMPLES OF VARIETY STORAGE OPTIONS

2.1. Internal solid-state drive

2.2. External hard drive

2.3. Memory cards

2.4. USB flash drive

2.5. Cloud storage

3. DEFINITION OF STORAGE DEVICES

3.1. The hard that records and/or retrieves items to and from storage media

3.1.1. READING

3.1.1.1. The process of transferring items from a storage medium into memory.

3.1.2. WRITTING

3.1.2.1. The process of transferring items from memory to a storage medium.

4. VOLATIRITY

4.1. Any data/information disappear when power is removed

4.1.1. SCREEN DISPLAY

4.1.2. RAM

5. NON-VOLATIRITY

5.1. Any data/ intructions content removes when the power is removed

5.1.1. ROM

5.1.1.1. Hard disk

5.1.1.2. Floppy Disc

5.1.1.3. DVD/CD Disc

6. HARD DISC

6.1. Called a hard disc drive(HDD)contains one/more inflexible,circular platters that use magnetic particles to share data,instructions and information.

6.2. FUNCTIONS

6.2.1. Share data

6.2.2. Store instructions

6.2.3. Store information

6.3. CHARACTERISTICS

6.3.1. Tracks

6.3.2. Sectors

6.3.3. Platters

6.3.4. Form Factors

6.3.5. Read/write head

6.3.6. Revolutions per minute

6.4. SSD (SOLID STATE DRIVE)

6.4.1. A flash memory storage device that contains its own processor to manage its storage.

6.4.2. ADVANTAGES

6.4.2.1. Faster access time

6.4.2.2. Faster transfer rate

6.4.2.3. Quieter operation

6.4.2.4. More durable

6.4.2.5. Lighter weight

6.4.2.6. Less power consumption

6.4.2.7. Less heat generation

6.4.2.8. Longer life

6.4.2.9. Defragmentation not required

6.5. RAID(REDUNDANT ARRAY OF INDEPENDENT DISKS)

6.5.1. A group of two/more integrated hard drives.

6.6. MEMORY CARD

6.6.1. A removable flash memory storage device that you insert and remove from a slot in a computer,mobile device, or card reader/writer

6.6.1.1. SDHC

6.6.1.2. SDXC

6.6.1.3. MiniSD

6.6.1.4. microSDHC

6.6.1.5. microSDXC

6.6.1.6. CF

6.6.1.7. XD Picture Card

6.6.1.8. Memory Stick PRO DUO

6.6.1.9. M2

7. CLOUD STORAGE

7.1. An internet service that provides storage to computer or mobile device users

8. OPTICAL DISCS

8.1. Consists of a flat, round, portable disc made of metal, plastic and lacquer that is written and read by a laser.

8.1.1. CD-ROM

8.1.2. CD-R

8.1.3. CD-RW

8.1.4. DVD-ROM

8.1.5. DVD-R/DVD+R

8.1.6. DVD-RW,DVD+RW and DVD-ROM

9. ENTERPRISE STORAGE

9.1. Allows large organizations to manage and storage data and information using devices intended for heavy use, maximum efficiency and maximum availability

9.1.1. Network attached storage (NAS)

9.1.2. Storage area network (SAN)

9.1.3. Tape

10. OTHER TYPES OF STORAGE

10.1. Magnetic stripe card

10.2. Smart card

10.3. RFID tas